/* 页面基础样式 */
body {
    margin: 0;
    padding: 0;
    font-family: 'Roboto', sans-serif;
    background: radial-gradient(circle, rgb(25, 25, 112), transparent);
    color: #ffffff;
    overflow-x: hidden;
    animation: aurora-move 15s linear infinite;
}

@keyframes aurora-move {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* 标题与导航栏 */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(0, 0, 0, 0.8);
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    z-index: 999;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 20px;
}

.header .logo {
    font-size: 24px;
    font-weight: bold;
    color: #dcdcdc;
    text-shadow: 0 0 5px #6a0dad;
}

.header .action-button {
    background: linear-gradient(to right, #6a0dad, #4b0082);
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.header .action-button:hover {
    box-shadow: 0 0 15px #4b0082;
}

/* 星河背景 */
.hero-section {
    height: 100vh;
    background: url('https://images.gptkong.com/demo/sample1.png'), 
                url('https://images.gptkong.com/demo/sample2.png'),
                linear-gradient(to bottom, #00008B, #000000);
    background-size: cover;
    background-position: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    position: relative;
}

.hero-section h1 {
    font-size: 48px;
    font-weight: bold;
    color: #ffffff;
    text-shadow: 0 0 10px #6a0dad;
    margin-bottom: 20px;
}

.hero-section p {
    font-size: 18px;
    color: #dcdcdc;
    line-height: 1.6;
}

/* 玻璃拟态卡片 */
.glass-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 20px;
    margin: 20px;
    transition: transform 0.3s ease;
}

.glass-card:hover {
    transform: scale(1.05);
}

/* 响应式布局 */
.grid-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    padding: 20px;
}

.grid-item {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    padding: 15px;
    text-align: center;
    color: #ffffff;
    transition: transform 0.3s ease;
}

.grid-item:hover {
    transform: translateY(-10px);
}

/* 动画效果 */
@keyframes starMovement {
    0% { transform: translateX(0); }
    100% { transform: translateX(100vw); }
}

.star {
    position: absolute;
    width: 5px;
    height: 5px;
    background: #ffffff;
    border-radius: 50%;
    animation: starMovement 10s linear infinite;
}

/* 表格样式 */
table {
    width: 100%;
    border-collapse: collapse;
    margin: 20px 0;
}

th, td {
    border: 1px solid #6a0dad;
    padding: 10px;
    text-align: left;
}

th {
    background: rgba(255, 255, 255, 0.2);
}

/* 小屏幕适配 */
@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 36px;
    }

    .glass-card {
        padding: 15px;
    }

    table {
        font-size: 14px;
    }
}